# \#celllistmap

**URL:** https://discourse.julialang.org/tag/celllistmap/811.md

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## [CellListMap.jl: Is it suitable for detecting collision of particles?](https://discourse.julialang.org/t/celllistmap-jl-is-it-suitable-for-detecting-collision-of-particles/68428)

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**Author:** [@liuyxpp](https://discourse.julialang.org/u/liuyxpp)\
**Replies:** 5\
**Last updated:** [September 21, 2021, 11:43am UTC](https://discourse.julialang.org/t/celllistmap-jl-is-it-suitable-for-detecting-collision-of-particles/68428 "2021-09-21T11:43:29Z")

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@lmiq I am trying to implement a naive algorithm to generate a Self-Avoiding Walk. At present I use following O(N^2) algorithm to check whether two beads are colloiding. using Random using CellListMap function random\_v…